ABH's combination double lipped strike and rescue stop are designed to act as a stop for a double acting doors but also allows the door to swing in the opposite direction in case of an emergency. ABH rescue stops are spring loaded with built in hold back; field convertible; non handed units. Bio-Guard Antimicrobial Coating , Custom Sizes and all BHMA finishes are available options. Information: (630) 875-9900 or visit www.abhmfg.com.